Gupta, S. (2002). Statistical methods. S.Chand & Sons.
Chicagoスタイル(17版)引用形式Gupta, S.P. Statistical Methods. New Delhi: S.Chand & Sons, 2002.
MLA(9版)引用形式Gupta, S.P. Statistical Methods. S.Chand & Sons, 2002.
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APA(7版)引用形式